package com.lovo.atm.dao.impl;

import java.sql.*;

public class BaseDao {
    /* 链接*/
    protected Connection con;
    //SQL语句执行对象
    protected PreparedStatement ps;
    //结果集
    protected ResultSet rs;

    public void setCon() {
        try {
            Class.forName("com.mysql.jdbc.Driver");
            con = DriverManager.getConnection("jdbc:mysql://localhost:12345/hw?characterEncoding=utf-8",
                    "root", "lovo");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    public void close() {
        try {
            if (rs != null) {
                rs.close();
            }
            if (ps != null) {
                ps.close();
            }
            if (con != null) {
                con.close();
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
